From 2c55d791282e5a7cbba27f13137037f542855b29 Mon Sep 17 00:00:00 2001
From: Alexandre Gautier <alexandre.gautier@epitech.eu>
Date: Sat, 26 Nov 2016 21:28:56 +0300
Subject: [PATCH] Fix: Function protoyypes with gcc attribute detection

---
 betty-doc.pl                    | 11 ++++++++---
 tests/doc/doc10.c               | 23 +++++++++++++++++++++++
 tests/doc/doc10.expected.stderr |  0
 tests/doc/doc10.expected.stdout |  3 +++
 4 files changed, 34 insertions(+), 3 deletions(-)
 create mode 100644 tests/doc/doc10.c
 create mode 100644 tests/doc/doc10.expected.stderr
 create mode 100644 tests/doc/doc10.expected.stdout

diff --git a/betty-doc.pl b/betty-doc.pl
index ebce5cb..d1dd128 100755
--- a/betty-doc.pl
+++ b/betty-doc.pl
@@ -2831,7 +2831,9 @@ ($)
 	    $_ .= <IN>;
 	}
 
-	if ($_ =~ /^(?:typedef\s+)?(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*\(?\**($Ident)\s*\(/s &&
+	my $attr = qr{__attribute__\s*\(\(\w+\)\)};
+
+	if ($_ =~ /^(?:typedef\s+)?(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*(?:$attr\s*)?\(?\**($Ident)\s*\(/s &&
 	    $_ !~ /;\s*$/)
 	{
 		# print STDOUT "Function found: $1\n";
@@ -2839,8 +2841,7 @@ ($)
 			print STDERR "${file}:$.: warning: no description found for function $1\n";
 			++$warnings;
 		}
-		elsif ($_ =~ /^(?:(?:$Storage|$Inline)\s*)*\s*($Type)\s*\(\**($Ident)\s*\((.*)\)\)\s*\(/s)
-		{
+		elsif ($_ =~ /^(?:(?:$Storage|$Inline)\s*)*\s*($Type)\s*\(\**($Ident)\s*\((.*)\)\)\s*\(/s) {
 			my $type_ = $1;
 			my $func_ = $2;
 			my $params_ = $3;
@@ -2848,6 +2849,10 @@ ($)
 			# print "LINE:$_\n";
 			# print "FUNCTION -> ${type_} ${func_} (${params_})\n";
 		}
+		elsif ($_ =~ $attr) {
+			$_ =~ s/__attribute__\s*\(\(\w+\)\)//;
+			# print "LINE:$_\n";
+		}
 	}
 
 	if ($_ =~ /^\s*(?:typedef\s+)?(enum|union|struct)(?:\s+($Ident))?\s*.*/s &&
diff --git a/tests/doc/doc10.c b/tests/doc/doc10.c
new file mode 100644
index 0000000..498ff41
--- /dev/null
+++ b/tests/doc/doc10.c
@@ -0,0 +1,23 @@
+/**
+ * first - Called before main
+ */
+void __attribute__((constructor)) first(void)
+{
+	printf("test\n");
+}
+
+/**
+ * first - Called before main
+ */
+void __attribute__ ((constructor)) first(void)
+{
+	printf("test\n");
+}
+
+/**
+ * first - Called before main
+ */
+void __attribute__((constructor))first(void)
+{
+	printf("test\n");
+}
diff --git a/tests/doc/doc10.expected.stderr b/tests/doc/doc10.expected.stderr
new file mode 100644
index 0000000..e69de29
diff --git a/tests/doc/doc10.expected.stdout b/tests/doc/doc10.expected.stdout
new file mode 100644
index 0000000..58c601e
--- /dev/null
+++ b/tests/doc/doc10.expected.stdout
@@ -0,0 +1,3 @@
+first
+first
+first